Figure 1 shows a circuit diagram containing a power source and four other components labelled A, B, C, and D.
Label the four components in Figure 1, using words from the box.
| ammeter | voltmeter | fuse |
| LED | LDR | thermistor |
| variable resistor | diode |
- Component A: _______
- Component B: _______
- Component C: _______
- Component D: _______